Question about Goodman CLQ36AR49 Air Conditioner

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Can not get Goodman 3-ton heat pump out of heat mode and into cooling mode

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  • Lisa
    Lisa May 11, 2010

    If this is a new install... disconnect thermostat wiring from the inside unit ...bring thermostat right to the unit and connect it right there... Lets see if its got to do with the house wiring first... we don't know if someone put a picture nail or something thru the thermistat cable

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  • Master
  • 674 Answers

The reversing valve may be stuck. It allows the unit to switch between heating and cooling. You may be able to give it a tap but only on one of the ends, not the sides, and only lightly. You could also unplug the reversing valve from the circuit board. Some reversing valves are energized in heat mode some in A/C mode. When you unplug it, if it shifts, you will hear a loud hiss as the valve shifts and the pressure equalizes.

Posted on May 04, 2010

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Posted on Jan 02, 2017

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SOURCE: have a goodman 3 ton heat pump - ac worked

You are reversing the flow of refrigerant in the heating cycle. Since liquid is now flowing through the suction
line it has less volume than the gas from the cooling
cycle that was flowing through it.. Making sure the outdoor unit is soundproof might eliminate this.

Posted on Feb 14, 2010

  • 189 Answers

SOURCE: extremely long time to get cool air with 5 ton 13

Check your filter. Make sure it is clean. Make sure the outdoor unit is operational. (power on). Clean your condenser coil with a garden hose. If possible check your evaporator coil. If it is dirty clean it. Your furnace (or air handler) blower speed should be set on high. All of your registers (supply & return) should be open and unobstructed. Check for proper thermostat settings. If none of this information solves your problem , then your units charge needs to be checked. You could be over or undercharged with freon.
Good luck......

Posted on May 06, 2009

  • 3 Answers

SOURCE: My 5 ton Goodman Heat Pump won't go into heat or a...

Easy: Turn the "fan" switch to on at the thermostat and see if the blower starts. If no start, check breaker at breaker box. Check service disconnect at or near the air handler. With the breaker and/or service disconnect OFF check the 3 or 5 amp fuse inside the top cover in the air handler.
Not so easy: (You must know what you are doing for this part or let an HVAC Tech do it for you) Open thermostat and firmly jump the Y and R terminals to see if you get the compressor to start for no more than 30 seconds. (don't do it more than once.) Jump the G and R terminals to see if you get the blower to start. If so, u have a bad thermostat. If not, check the transformer inside the same cover in air handler for proper voltage. (24V. Make sure you also get 220 on the opposite side of the transformer)
If the blower comes on, but the heat pump doesnt start, open the side cover of the heat pump, with the thermostat on cool, and the temp. setting as low as possible for at least 10 minutes see if the contactor is pulled in. If so, check the capacitor and see if it's blown out. Be super careful these systems operate with 220v and the amperes are enough to kill you if you make a simple mistake.

Posted on Aug 28, 2010

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